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To earn free Diamonds in Infinity Nikki, complete available quests, explore unlocked regions, finish daily tasks and achievements, and claim limited-time event rewards before they expire. Check the in-game Events screen and current official announcements for what is live and what story progress it requires. No fixed Diamond total or active redemption code for October 4, 2026 is established by the official notices cited here.
Start with quests and story progress
Quests and story content can reward Diamonds and other items. Some events and features require specific main-story chapters or world quests, so check the unlock condition shown for each activity rather than assuming it is available from the start. The official Infinity Nikki announcements describe rewards and prerequisites that vary by activity.
Explore newly unlocked regions
Exploration can add rewards as you open regions and collect items such as Whimstars. Version announcements have described exploration-related rewards, but that does not mean every collectible always grants Diamonds. Check the reward details for the region or activity you are playing.
Keep up with daily tasks and achievements
Daily tasks can award Diamonds and growth materials, while Courses achievements can include region-specific objectives. Check the in-game daily task and Courses interfaces for the goals currently available to your account; the amount and eligible objectives can vary.
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Look for challenge and permanent-feature rewards
Mira Crown activities and other challenges may offer rewards, but availability, unlock requirements, and rewards can differ by version. Open the feature in game and review its rules and reward list before investing time in a challenge.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Prioritize limited-time events before they end
Events may ask you to complete tasks, collect a special currency, then exchange it for rewards that can include Diamonds. Check each event’s end date, story prerequisite, task cadence, and reward exchange details. For example, the September 2026 Sunlit Rendezvous event used Sunward Seeds to exchange for rewards including Diamonds and ended September 23, 2026; it is not a current offer as of October 4, 2026. Other activities described in the Version 2.8 notice had different dates and story gates.
Use the in-game Events screen and the official news page to identify active events. An older event guide or code list does not establish that an offer is still available.
Check redemption codes through official channels
No currently valid code for October 4, 2026 is confirmed by the official notices cited here. Codes in official announcements are time-limited, so verify the code, any region or account restrictions, and its expiration date in a current official notice before trying it. Do not treat third-party code lists as proof that a code still works.
Which reward routes can you repeat?
Quests, exploration, daily tasks, achievements, and challenges are tied to your unlocked content and the current version; event rewards have explicit windows and may use exchange currencies rather than awarding Diamonds directly. The official notices do not establish a dependable total of free Diamonds per day or per update. Your opportunities depend on what is unlocked, what is currently available, and which rewards you claim.
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